# cidr_histogram  Multicast  Prefix Size Histogram
# cidr_histogram  Prefix Size | Number of Prefixes | Number of CIDR Holes | Number of Addresses | followed by relative PER CENTAGE in order
# cidr_histogram size  # prfx # holes   # addr % prfx % holes % addr
# cidr_histogram 
 cidr_histogram   1       0       0          0    0.0     0.0    0.0  
 cidr_histogram   2       0       0          0    0.0     0.0    0.0  
 cidr_histogram   3       0       0          0    0.0     0.0    0.0  
 cidr_histogram   4       0       0          0    0.0     0.0    0.0  
 cidr_histogram   5       0       0          0    0.0     0.0    0.0  
 cidr_histogram   6       0       0          0    0.0     0.0    0.0  
 cidr_histogram   7       0       0          0    0.0     0.0    0.0  
 cidr_histogram   8       9       3  150994926    0.1     0.1   53.4  
 cidr_histogram   9       3       1   25165818    0.0     0.0    8.9  
 cidr_histogram  10       1       0    4194302    0.0     0.0    1.5  
 cidr_histogram  11       2       0    4194300    0.0     0.0    1.5  
 cidr_histogram  12      10       4   10485740    0.1     0.1    3.7  
 cidr_histogram  13      17       2    8912862    0.2     0.1    3.2  
 cidr_histogram  14      53       2   13893526    0.6     0.1    4.9  
 cidr_histogram  15     101       2   13238070    1.1     0.1    4.7  
 cidr_histogram  16    1077      25   70580118   12.2     0.9   24.9  
 cidr_histogram  17     143      13    4685538    1.6     0.5    1.7  
 cidr_histogram  18     183      19    2997906    2.1     0.7    1.1  
 cidr_histogram  19     314      38    2571660    3.5     1.4    0.9  
 cidr_histogram  20     290      31    1187260    3.3     1.1    0.4  
 cidr_histogram  21     280      59     572880    3.2     2.1    0.2  
 cidr_histogram  22     456     159     466032    5.1     5.7    0.2  
 cidr_histogram  23     753     377     384030    8.5    13.6    0.1  
 cidr_histogram  24    4708    1877    1195832   53.2    67.7    0.4  
 cidr_histogram  25      68      32       8568    0.8     1.2    0.0  
 cidr_histogram  26      15       5        930    0.2     0.2    0.0  
 cidr_histogram  27      37      19       1110    0.4     0.7    0.0  
 cidr_histogram  28      19       6        266    0.2     0.2    0.0  
 cidr_histogram  29      22      15        132    0.2     0.5    0.0  
 cidr_histogram  30     251      55        502    2.8     2.0    0.0  
*** warning get_active_as.awk : slash 31 has entries : cidr_histogram[i], cidr_hole_histogram[i], address_space_histogram[i] =  3 3 0
 cidr_histogram  32      41      25         41    0.5     0.9    0.0